• Friday

    Jan 30

    38°Lo 22°

    Considerable cloudiness

    Unlikely for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      7%
    • Hours of Precip
      0
    more
  • Saturday

    Jan 31

    39°Lo 20°

    More sunshine than clouds

    Watch for hair frizz
    • Wind
      Gust
      20 mph
    • Precip
      2%
    • Hours of Precip
      0
    more
  • Sunday

    Feb 1

    33°Lo 23°

    Colder with some sun

    Watch for hair frizz
    • Wind
      Gust
      35 mph
    • Precip
      6%
    • Hours of Precip
      0
    more
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The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.